bpo-40147: Move the check for duplicate keywords to the compiler (GH-19289)

1 files changed, 1 insertions, 10 deletions

diff --git a/Python/ast.c b/Python/ast.c
index 550ee03..6ba62fb 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -3048,8 +3048,7 @@ ast_for_call(struct compiling *c, const node *n, expr_ty func,
             else {
                 /* a keyword argument */
                 keyword_ty kw;
-                identifier key, tmp;
-                int k;
+                identifier key;
 
                 // To remain LL(1), the grammar accepts any test (basically, any
                 // expression) in the keyword slot of a call site.  So, we need
@@ -3093,14 +3092,6 @@ ast_for_call(struct compiling *c, const node *n, expr_ty func,
                 if (forbidden_name(c, key, chch, 1)) {
                     return NULL;
                 }
-                for (k = 0; k < nkeywords; k++) {
-                    tmp = ((keyword_ty)asdl_seq_GET(keywords, k))->arg;
-                    if (tmp && !PyUnicode_Compare(tmp, key)) {
-                        ast_error(c, chch,
-                                  "keyword argument repeated");
-                        return NULL;
-                    }
-                }
                 e = ast_for_expr(c, CHILD(ch, 2));
                 if (!e)
                     return NULL;